states. but first a border security would be beefed up and the government would improve its tracking of current visa holders. the senators also want to grant more green cards to highly educated immigrants and would allow more lower-skilled workers into the country especially for agricultural purposes. finally, the agreement calls for an effective verification system to crack down on employers who hire workers in the country illegally. in 2006 and 2007, similar efforts to fix the nation's patchwork of immigration laws failed under both republican and democratically controlled congresses but democratic senator chuck sheumer of new york said this time will be different. >> the politics on this issue have been turn upsidedown. for the first time ever there's more political risk in opposing immigration reform than in supporting it. >> ifill: indeed this new effort comes on the heels of last year's election in which president obama won seven of every ten hispanic votes in his victory over republica